AU428421B2 - Signalling system - Google Patents

Signalling system

Info

Publication number
AU428421B2
AU428421B2 AU44467/68A AU4446768A AU428421B2 AU 428421 B2 AU428421 B2 AU 428421B2 AU 44467/68 A AU44467/68 A AU 44467/68A AU 4446768 A AU4446768 A AU 4446768A AU 428421 B2 AU428421 B2 AU 428421B2
Authority
AU
Australia
Prior art keywords
signalling system
signalling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU44467/68A
Other versions
AU4446768A (en
Inventor
Murville Thorne-Booth George
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU428421B2 publication Critical patent/AU428421B2/en
Publication of AU4446768A publication Critical patent/AU4446768A/en
Expired legal-status Critical Current

Links

AU44467/68A 1968-10-08 Signalling system Expired AU428421B2 (en)

Publications (2)

Publication Number Publication Date
AU428421B2 true AU428421B2 (en) 1970-04-16
AU4446768A AU4446768A (en) 1970-04-16

Family

ID=

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